239689900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^3\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 546527520

約数和(自身を除く): 306837620

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 197, 230, 394, 460, 529, 575, 788, 985, 1058, 1150, 1970, 2116, 2300, 2645, 3940, 4531, 4925, 5290, 9062, 9850, 10580, 12167, 13225, 18124, 19700, 22655, 24334, 26450, 45310, 48668, 52900, 60835, 90620, 104213, 113275, 121670, 208426, 226550, 243340, 304175, 416852, 453100, 521065, 608350, 1042130, 1216700, 2084260, 2396899, 2605325, 4793798, 5210650, 9587596, 10421300, 11984495, 23968990, 47937980, 59922475, 119844950, 239689900]

約数ペア:

[(1, 239689900), (2, 119844950), (4, 59922475), (5, 47937980), (10, 23968990), (20, 11984495), (23, 10421300), (25, 9587596), (46, 5210650), (50, 4793798), (92, 2605325), (100, 2396899), (115, 2084260), (197, 1216700), (230, 1042130), (394, 608350), (460, 521065), (529, 453100), (575, 416852), (788, 304175), (985, 243340), (1058, 226550), (1150, 208426), (1970, 121670), (2116, 113275), (2300, 104213), (2645, 90620), (3940, 60835), (4531, 52900), (4925, 48668), (5290, 45310), (9062, 26450), (9850, 24334), (10580, 22655), (12167, 19700), (13225, 18124)]